CONTENTS 



Preface , . 



Scheme op the Classification adopted in this Book 



PART I. AMPHIBIA 



CHAPTER I 



Chaeacteks and Definition — Position of the Class Amphibia in the 

 Phylum Vertebkata — Histokical Account of the Classification of 

 Amphibia . , 3 



CHAPTER II 



Skeleton of Urodela and Anura — Skin — Colour-changing Mechanism — 

 Poison-glands — Spinal Nerves — Respiratory Organs — Suppression 

 OF Lungs — Urino-genital Organs — Fecundation — Nursing Habits 

 — Development and Metamorphosis 1 1 



CHAPTER III 

 Keoteny — Eegenekation — Temperature — Geographical Distribution 63 



CHAPTER IV 

 Stegocephali or Labyrinthodonts— Lissamphieia — Apoda 78 



CHAPTER V 



LiSSAMPHIBIA (continued) — URODELA . . 94 



CHAPTER VI 

 LiSSAMPHIBIA (continued) — Anura 138 



